CN109973514A - Chain link, hinge and mobile terminal - Google Patents
Chain link, hinge and mobile terminal Download PDFInfo
- Publication number
- CN109973514A CN109973514A CN201910161013.XA CN201910161013A CN109973514A CN 109973514 A CN109973514 A CN 109973514A CN 201910161013 A CN201910161013 A CN 201910161013A CN 109973514 A CN109973514 A CN 109973514A
- Authority
- CN
- China
- Prior art keywords
- chain link
- locking hole
- hinge
- hole location
- arcwall face
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C11/00—Pivots; Pivotal connections
- F16C11/04—Pivotal connections
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
- H04M1/0206—Portable telephones comprising a plurality of mechanically joined movable body parts, e.g. hinged housings
- H04M1/0208—Portable telephones comprising a plurality of mechanically joined movable body parts, e.g. hinged housings characterized by the relative motions of the body parts
- H04M1/0214—Foldable telephones, i.e. with body parts pivoting to an open position around an axis parallel to the plane they define in closed position
- H04M1/0216—Foldable in one direction, i.e. using a one degree of freedom hinge
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C11/00—Pivots; Pivotal connections
- F16C11/04—Pivotal connections
- F16C11/10—Arrangements for locking
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
- G06F1/1613—Constructional details or arrangements for portable computers
- G06F1/1633—Constructional details or arrangements of portable computers not specific to the type of enclosures covered by groups G06F1/1615 - G06F1/1626
- G06F1/1637—Details related to the display arrangement, including those related to the mounting of the display in the housing
- G06F1/1641—Details related to the display arrangement, including those related to the mounting of the display in the housing the display being formed by a plurality of foldable display components
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
- G06F1/1613—Constructional details or arrangements for portable computers
- G06F1/1633—Constructional details or arrangements of portable computers not specific to the type of enclosures covered by groups G06F1/1615 - G06F1/1626
- G06F1/1637—Details related to the display arrangement, including those related to the mounting of the display in the housing
- G06F1/1652—Details related to the display arrangement, including those related to the mounting of the display in the housing the display being flexible, e.g. mimicking a sheet of paper, or rollable
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
- G06F1/1613—Constructional details or arrangements for portable computers
- G06F1/1633—Constructional details or arrangements of portable computers not specific to the type of enclosures covered by groups G06F1/1615 - G06F1/1626
- G06F1/1675—Miscellaneous details related to the relative movement between the different enclosures or enclosure parts
- G06F1/1681—Details related solely to hinges
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
- H04M1/026—Details of the structure or mounting of specific components
- H04M1/0266—Details of the structure or mounting of specific components for a display module assembly
- H04M1/0268—Details of the structure or mounting of specific components for a display module assembly including a flexible display panel
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2370/00—Apparatus relating to physics, e.g. instruments
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2380/00—Electrical apparatus
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
- H04M1/0206—Portable telephones comprising a plurality of mechanically joined movable body parts, e.g. hinged housings
- H04M1/0208—Portable telephones comprising a plurality of mechanically joined movable body parts, e.g. hinged housings characterized by the relative motions of the body parts
- H04M1/0214—Foldable telephones, i.e. with body parts pivoting to an open position around an axis parallel to the plane they define in closed position
- H04M1/0216—Foldable in one direction, i.e. using a one degree of freedom hinge
- H04M1/022—The hinge comprising two parallel pivoting axes
Landscapes
- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Theoretical Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Signal Processing (AREA)
- Mechanical Engineering (AREA)
- Telephone Set Structure (AREA)
Abstract
The present invention relates to a kind of chain link, hinge and mobile terminals.Chain link includes: at least one connecting hole, and connecting hole includes interconnected the first locking hole location and the second locking hole location, the narrowed transition of the connectivity part of the first locking hole location and the second locking hole location.The chain link of the present embodiment has connecting hole.The chain link overall structure of the embodiment of the present invention is simple, and processing is low with assembly difficulty, and production cost is low.In this way, can guarantee that hinge overall structure is simple when the chain link of the embodiment of the present invention is applied to hinge, amount of parts is few, and processing is low with assembly difficulty, and production cost is low.
Description
Technical field
The present invention relates to technical field of communication equipment, more particularly to a kind of chain link, hinge and mobile terminal.
Background technique
Scientific and technical development, the portable electronic devices such as mobile phone and tablet computer are increasingly common therewith.Currently,
These electronic equipments generally include integrated display equipment, and many includes dual screen.For example, some mobile devices include
Two display equipment being independently arranged.Two display equipment can fold or be unfolded.But the display surface that such equipment is formed
Separated, visual experience is poor, therefore user wishes to bigger display screen also in order to check.Therefore, the system of display
Quotient is made to start to develop flexible display.Flexible display may be used to provide bigger display surface.However, in the prior art,
It is complicated that hinge arrangement used in the mobile terminal of flexible screen is installed, influences mobile terminal production cost.
Summary of the invention
The embodiment of the present invention provides a kind of chain link and hinge, complicated to solve hinge arrangement in the prior art, influences to produce
The problem of cost.
In order to solve the above-mentioned technical problem, the present invention is implemented as follows:
In a first aspect, the embodiment of the present invention proposes a kind of chain link comprising: at least one connecting hole, connecting hole include
The connectivity part of interconnected the first locking hole location and the second locking hole location, the first locking hole location and the second locking hole location narrows
Transition.
The chain link of the present embodiment has connecting hole.The chain link overall structure of the embodiment of the present invention is simple, and processing and assembly are difficult
Spend low, production cost is low.In this way, can guarantee that hinge overall structure is simple when the chain link of the embodiment of the present invention is applied to hinge,
Amount of parts is few, and processing is low with assembly difficulty, and production cost is low.
Second aspect provides a kind of hinge according to embodiments of the present invention comprising: more than two chain links arranged in succession
And connection pin shaft；Two neighboring chain link is rotatablely connected by connecting pin axis, and connection pin shaft is locked in the first locking hole location and second
Only switch and be locked in the first locking hole location or the second locking hole location between hole location；Wherein, when hinge is in unfolded state, connection
Pin shaft is locked in the first locking hole location, and when hinge is in bending state, connection pin shaft is locked in the second locking hole location；In expansion
The total length of the hinge of state is less than the total length of all hinges in bending state.
The hinge provided according to embodiments of the present invention comprising chain link and connection pin shaft.The chain link of the present embodiment has
There is connecting hole.There are two interconnected the first locking hole locations and the second locking hole location for connecting hole tool.Hinge expansion or it is curved
During folding, connection pin shaft is free to the mobile handoff between the first locking hole location and the second locking hole location, same to phase
Adjacent two chain links can the changing of the relative positions relative to each other so that the total length of the hinge in unfolded state is less than in bending
The total length of the hinge of state, so that the hinge in unfolded state of the present embodiment fold occurs there is no length redundancy
Or the case where bending.The hinge overall structure of the embodiment of the present invention is simple, and amount of parts is few, processes, life low with assembly difficulty
It produces at low cost.When the hinge of the embodiment of the present invention is applied to the mobile terminal with flexible screen, since the hinge is not in pleat
The case where wrinkle or bending, so as to reduce, hinge applies local stress to flexible screen and flexible screen structure is caused to be damaged
Possibility.
The third aspect provides a kind of mobile terminal according to embodiments of the present invention comprising:
Flexible screen, the first supporter, the second supporter and such as above-mentioned hinge；First supporter and the second supporter are equal
It is connected with flexible screen, two chain links at hinge both ends are connected with the first supporter and the second supporter respectively, and hinge is being opened up
When open state and bending state switch, the first supporter and the second supporter are close to each other or separate, to be unfolded or bend flexibility
Screen.
The mobile terminal of the embodiment of the present invention, included by hinge can guarantee overall length when hinge is in unfolded state
Degree is less than total length when hinge is in bending state, so that hinge will not be caused in unfolded state due to length redundancy
Occur the case where fold or bending in unfolded state, reduces hinge and local stress is applied to flexible screen and leads to flexible screen structure
A possibility that being damaged.The hinge arrangement of the present embodiment is simple simultaneously, processing and manufacturing difficulty is low, so that itself production cost
It is low, so that mobile terminal entirety production cost is low.
Detailed description of the invention
The feature, advantage and technical effect of exemplary embodiment of the present are described below by reference to attached drawing.
Fig. 1 is the structural schematic diagram of the chain link of one embodiment of the invention；
Fig. 2 is the structural schematic diagram of the chain link of another embodiment of the present invention；
Fig. 3 is the structural schematic diagram that the hinge of one embodiment of the invention is in the deployed；
Fig. 4 is the decomposition texture schematic diagram of hinge in Fig. 3；
Fig. 5 is that the hinge of one embodiment of the invention is in the structural schematic diagram of folding position；
Fig. 6 is that the connection pin shaft of one embodiment of the invention is in the connection status diagram of the first locking hole location；
Fig. 7 is that the connection pin shaft of one embodiment of the invention is in the connection status diagram of the second locking hole location；
Fig. 8 is the total length that all chain links of one embodiment of the invention are in the deployed；
Fig. 9 is that all chain links of one embodiment of the invention are in the total length of folding position；
Figure 10 is the structural schematic diagram of the hinge of another embodiment of the present invention；
Figure 11 is the structural schematic diagram of the hinge of further embodiment of this invention；
Figure 12 is the structural schematic diagram of the mobile terminal of one embodiment of the invention.
In the accompanying drawings, the attached drawing is not drawn according to the actual ratio.
Description of symbols:
10, chain link；10a, inner surface；10b, outer surface；100, end；
11, connecting hole；11a, the first arcwall face；11b, the second arcwall face；11c, third arcwall face；11d, lug boss；
110, the first locking hole location；111, the second locking hole location；
12, recess portion；
13, sheet body；
20, hinge；
30, pin shaft is connected；
40, the first fixed bracket；
50, the second fixed bracket；
60, flexible screen；
70, the first supporter；
80, the second supporter.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are some of the embodiments of the present invention, instead of all the embodiments.Based on this hair
Embodiment in bright, every other implementation obtained by those of ordinary skill in the art without making creative efforts
Example, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that unless otherwise indicated, the meaning of " plurality " is two or more；Art
The orientation or positional relationship of the instructions such as language "upper", "lower", "left", "right", "inner", "outside" be merely for convenience of description the present invention and
Simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with specific orientation construction
And operation, therefore be not considered as limiting the invention.In addition, term " first ", " second " etc. are used for description purposes only, and
It cannot be understood as indicating or implying relative importance.
In the description of the present invention, it is also necessary to which explanation is unless specifically defined or limited otherwise, term " installation ",
" connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally connect
It connects；It can be directly connected, it can also be indirectly connected through an intermediary.For the ordinary skill in the art, may be used
The concrete meaning of above-mentioned term in the present invention is understood depending on concrete condition.
For a better understanding of the present invention, it is retouched below with reference to technical solution of the Fig. 1 to Figure 12 to the embodiment of the present invention
It states.
Fig. 1 schematically shows the structure of the chain link 10 of one embodiment of the invention.It is shown in Figure 1, the present embodiment
There are two connecting holes 11 for the tool of chain link 10.Each connecting hole 11 includes interconnected the first locking hole location 110 and the second locking hole
Position 111.The connectivity part of first locking hole location 110 and the second locking hole location 111 narrows transition.The chain link 10 of the present embodiment is along length
A connecting hole is respectively equipped on two ends 100 in direction.The chain link 10 of the present embodiment is in the longitudinal direction where two edges
Inner surface 10a and outer surface 10b.Inner surface 10a can be curved surface, be also possible to plane.Each end 100 is arranged
There is a connecting hole 11.First locking hole location 110 relative to the second locking hole location 111 close to the middle section of chain link 10, and
Two locking hole locations 111 lean on the edge of close end 100.That is, in the longitudinal direction, first between two the first locking hole locations 110
Distance, the second distance between less than two the second locking holes 111.First distance be two 110 centers of the first locking hole location it
Between distance, be also possible to the distance between two immediate points of the first locking hole location 110.Second distance is similarly.
In one embodiment, the hole wall of connecting hole 11 includes the first arcwall face 11a, the second arcwall face 11b and third arc
Shape face 11c.The both ends of first arcwall face 11a are connected smoothly with the second arcwall face 11b and third arcwall face 11c respectively.The
One arcwall face 11a and third arcwall face 11c form hole wall corresponding to the first locking hole location 110, and the first arcwall face 11a and the
Two arcwall face 11b form hole wall corresponding to the second locking hole location 111.Second arcwall face 11b and third arcwall face 11c phase each other
Adjacent both ends are connected smoothly, and form the lug boss 11d towards the first arcwall face 11a protrusion.Lug boss 11d is can shape
Structure changes, thus when lug boss 11d is by external force, lug boss 11d itself can deformation so that the highest point of itself far from
One arcwall face 11a, to become larger at a distance from the first arcwall face 11a.In the first locking hole location 110 and the second locking hole location 111
Connectivity part, the highest point of the highest point of lug boss 11d and the first arcwall face 11a is corresponding.First arcwall face 11a direction protrusion
Portion 11d bending.
In one embodiment, the second circle that the second arcwall face 11b includes the first arc section, is connected with the first arc section
Segmental arc and the First Transition section being connected with the second arc section.Third arcwall face 11c includes third arc section and third circular arc
Section the 4th arc section being connected and the second changeover portion being connected with the 4th arc section.First arc section and third arc section
Both ends be connected smoothly lug boss 11d be collectively formed.First Transition section and the second changeover portion respectively with the first arcwall face 11a
Both ends be connected.In one example, it is connected between First Transition section and the first arcwall face 11a for arc transition, and second
It is also connected between changeover portion and the first arcwall face 11a for arc transition.Highest point and the first arcwall face 11a in lug boss 11d
Highest point line side, the second arc section is bent towards outer surface 10b, and the minimum point of second arc section and first
Highest point of the distance of the highest point of arcwall face 11a greater than lug boss 11d is at a distance from the highest point of the first arcwall face 11a.?
The other side of the line of the highest point of lug boss 11d and the highest point of the first arcwall face 11a, the 4th arc section is also towards outer surface
10b bending, and the minimum point of the 4th arc section is greater than lug boss 11d most at a distance from the highest point of the first arcwall face 11a
High point is at a distance from the highest point of the first arcwall face 11a.
In one example, the bending direction phase of the first arcwall face 11a, the second arcwall face 11b and third arcwall face 11c
Together.The top surface of the first arcwall face 11a of lug boss 11d direction is arc surface, and the top surface of the first arcwall face 11a towards protrusion is also
Arc surface.In one example, chain link 10 further includes the recess portion 12 of setting corresponding with lug boss 11d.The recess portion 12 is from chain link
10 outer surface 10b is recessed towards connecting hole 11.Since recess portion 12 is arranged, so that being in recess portion 12 and lug boss on chain link 10
Region between 11d becomes thinner relative to other regions, therefore in the area between recess portion 12 and lug boss 11d on chain link 10
The elastic deformability in domain is more preferable, so that lug boss 11d is more easily deformed by when external force.
In one embodiment, the whole arc-shaped structure of chain link 10, and outer surface 10b and inner surface 10a are arc
Shape face.The bending direction of first arcwall face 11a, the second arcwall face 11b and third arcwall face 11c be from inner surface 10a to
The direction of outer surface 10b.Preferably, chain link 10 is whole is a circular-arc structure, and outer surface 10b and inner surface 10a are equal
For arc surface.The outer peripheral surface of the end 100 of the present embodiment can be arc-shaped.Outer surface 10b, end 100 outer peripheral surface and
Inner surface 10a is connected.
In one embodiment, the structure each other of the first locking hole location 110 and the second locking hole location 111 possessed by chain link 10
Identical namely respective cross-sectional profiles are identical.Preferably, the first locking hole location 110 and the second locking hole location 111 mirror image each other
Structure, the two are symmetrical arranged relative to the line of the highest point of lug boss 11d and the highest point of the first arcwall face 11a.
In one embodiment, chain link 10 includes a sheet body 13.Connecting hole 11 prolongs along the thickness direction of chain link 10 itself
Stretch perforation sheet body 13.In another embodiment, shown in Figure 2, chain link 10 includes more than two sheet bodies 13, more than two
Sheet body 13 along connecting hole 11 axial arranging be arranged.Connecting hole 11 extends through all along the thickness direction of chain link 10 itself
Body 13.
It is readily appreciated that ground, 11 quantity of connecting hole possessed by chain link 10 is also possible to one.Two included by the chain link 10
In a end 100, the connecting hole 11 of the present embodiment can be only set on a wherein end 100, cylindrical hole is arranged in the other end
Equal conventional structures.
Fig. 3 schematically shows that the hinge 20 of one embodiment of the invention is in the structure of unfolded state.Fig. 4 shows figure
The decomposition texture of hinge 20 in 3.Fig. 5 schematically shows that the hinge 20 of one embodiment of the invention is in the knot of bending state
Structure.Ginseng as shown in figs. 3 to 5, the embodiment of the present invention provides a kind of hinge 20 for mobile terminal.The hinge 20 of the present embodiment
Including four chain links 10 successively arranged and it is used for four sequentially connected connection pin shafts 30 of chain link 10.Two neighboring chain link
10 are rotatably connected using a connection pin shaft 30.Each chain link 10 is provided with connecting hole 11.The chain link 10 of the present embodiment includes
Two opposite ends 100.Each end 100 is provided with connecting hole 11.Respective end 100 is mutual in two neighboring chain link 10
Stacking, and respectively included connecting hole 11 is mutually aligned, so that connection pin shaft 30 can be inserted into all connecting holes simultaneously
11.Each chain link 10 can be rotated around connection pin shaft 30, to switch between unfolded state and bending state.In the present embodiment
In, two chain links 10 at 20 both ends of hinge with other structures part for being connected.In the present embodiment, two chains at 20 both ends of hinge
Section 10 can be connected by connection pin shaft 30 with other structures part.
When the chain link 10 of the present embodiment is rotated around connection pin shaft 30, connection pin shaft 30 can be in the first locking hole location 110
And second switch between locking hole location 111, and is limited in the first locking hole location 110 or the second locking hole location 111.At chain link 10
When unfolded state, connection pin shaft 30 is located at the first locking hole location 110 and is locked in the first locking hole location 110, so that chain link
10 stably keep in unfolded state.Similarly, when chain link 10 is in bending state, connection pin shaft 30 is located at the second locking hole
Position 111 is simultaneously locked in the second locking hole location 111, so that chain link 10 is stably kept in bending state.In chain link 10 from expansion
State is to bending state transition, alternatively, connection pin shaft 30 needs to cross connecting hole 11 from bending state to when unfolded state transition
Narrowing region and switch between the first locking hole location 110 and the second locking hole location 111.In the present embodiment, due to relative to
Second locking hole location 111, the first locking hole location 110 is closer to the central area of chain link 10, therefore connecting pin shaft 30 can be the
Mobile handoff between one locking hole location 110 and the second locking hole location 111, so that being in the connection pin shaft of the first locking hole location 110
Middle section of the axle center of connection pin shaft 30 of 30 axle center than being in the second locking hole location 111 closer to chain link 10.
In one embodiment, Fig. 6 schematically shows that the connection pin shaft 30 of one embodiment of the invention is in the first lock
The only connection status of hole location 110.Fig. 7 schematically shows that the connection pin shaft 30 of one embodiment of the invention is in the second locking hole
The connection status of position 111.Referring to shown in Fig. 6 and Fig. 7, hinge 20 includes more than two connection pin shafts 30.In connection pin shaft 30
When being locked in the first locking hole location 110, two to be connected with the same chain link 10 connect the axle center spacing H1 of pin shaft 30, and
When connection pin shaft 30 is locked in the second locking hole location 111, the axle center spacing H2 of two connection pin shafts 30.At this point, spacing H1 is less than
Spacing H2.Correspondingly, during chain link 10 transits to unfolded state from bending state, two neighboring chain link 10 understands phase each other
It is moved to offsetting.Fig. 8 schematically shows that all chain links 10 of one embodiment of the invention are in the total length L 1 of unfolded state.
Fig. 9 schematically shows that all chain links 10 of one embodiment of the invention are in the total length L 2 of bending state.In this way, this implementation
The structure design of the chain link 10 and connection pin shaft 30 of example enables to the total length L 1 of the hinge 20 in unfolded state to be less than institute
There is the total length L 2 of the hinge 20 in bending state.When all chain links 10 of the present embodiment are in unfolded state, each chain link
10 generally direction arrangements along a straight line will not lead to the hinge in unfolded state since length of run is equal with folded length
Chain 20 there are length redundancy and occur fold or bending the case where.
In one embodiment, chain link 10 has deformable lug boss 11d.When connection pin shaft 30 crosses lug boss 11d,
Stress can be applied to lug boss 11d so that flexible deformation occurs for lug boss 11d by connecting pin shaft 30, and guarantee connection pin shaft 30 can be suitable
Benefit is crossed.Since highest point of the size greater than lug boss 11d of connection pin shaft 30 is between the highest point of the first arcwall face 11a
Size, therefore connect after pin shaft 30 crosses lug boss 11d, lug boss 11d can form limit to connection pin shaft 30, thus will be even
Outbound axis 30 is locked in the first locking hole location 110 or the second locking hole location 111.In one embodiment, chain link 10 is being unfolded
When switching between state and bending state, connection pin shaft 30 can be with respect to the highest spot wobble of the first arcwall face 11a, first
Switch between locking hole location 110 and the second locking hole location 111.
The hinge 20 of the embodiment of the present invention comprising chain link 10 and connection pin shaft 30.The chain link 10 of the present embodiment has
There is connecting hole 11.There are two interconnected the first locking hole locations 110 and the second locking hole location 111 for the connecting hole 11 tool.It is cutting with scissors
During the expansion of chain 20 or bending, connection pin shaft 30 is free in the first locking hole location 110 and the second locking hole location 111
Between mobile handoff.When connecting pin shaft 30 and being locked in the first locking hole location 110, two companies being connected with the same chain link 10
The axle center spacing H1 of outbound axis 30, and when connection pin shaft 30 is locked in the second locking hole location 111, the axis of two connection pin shafts 30
In the heart away from H2, and spacing H1 is less than spacing H2.It is in this way, being less than the total length L 1 of the hinge 20 in unfolded state
The total length L 2 of the hinge 20 of bending state, so that there is no length redundancies for the hinge 20 in unfolded state of the present embodiment
And there is the case where fold or bending.20 overall structure of hinge of the embodiment of the present invention is simple, and amount of parts is few, processing and dress
Low with difficulty, production cost is low.When the hinge 20 of the embodiment of the present invention is applied to the mobile terminal with flexible screen, due to the hinge
The case where chain 20 is not in fold or bending, so as to reduce, hinge 20 applies local stress to flexible screen and leads to flexibility
Shield a possibility that 60 structures are damaged.
It is readily appreciated that ground, the quantity of the chain link 10 of the present embodiment and the quantity of connection pin shaft 30 are not limited to as shown in the figure
Quantity out.The quantity of chain link 10 can also be two, three or five or more, and the connection for being used to connect each chain link 10
The quantity of pin shaft 30 can also be one, more than two or four.The quantity of chain link 10 and the quantity of connection pin shaft 30 can roots
Factually border product demand flexible choice.
It in one embodiment, can an only end 100 wherein in two ends 100 included by chain link 10
The conventional structures such as cylindrical hole are arranged in the connecting hole 11 of upper setting the present embodiment, the other end.It is provided with the connecting hole 11 of the present embodiment
The connection pin shaft 30 through this embodiment of end 100 be connected, and the end 100 for being provided with cylindrical hole passes through cylindrical pin phase
Connection.
The first locking hole location 110 of the present embodiment is identical with 111 structure of the second locking hole location and is symmetrical arranged.First lock
Only the being consistent property of structure of 111 the two of hole location 110 and the second locking hole location, is conducive to improve connection pin shaft 30 therebetween
The stationarity and smooth degree of handoff procedure reduce handoff procedure and a possibility that Caton or noise occur, in addition the also company of can reduce
Connect the processing and manufacturing difficulty in hole 11.
A part of the connection pin shaft 30 of the present embodiment is located in the first locking hole location 110 or the second locking hole location 111.This
When the connection pin shaft 30 of embodiment is locked in the first locking hole location 110, a part of connection pin shaft 30 is located at the first locking hole location
110, another part protrudes into the second locking hole location 111.Similarly, the connection pin shaft 30 of the present embodiment is locked in the second locking hole location
When 111, a part of connection pin shaft 30 is located at the second locking hole location 111, and another part protrudes into the first locking hole location 110.Connection
Pin shaft 30 is located at part and the first locking hole location 110 or the second locking in the first locking hole location 110 or the second locking hole location 111
The shape of hole location 111 matches and can be bonded to each other, thus connect pin shaft 30 and the first locking hole location 110 hole wall or
Clearance is not present between the hole wall of second locking hole location 111 so that connection pin shaft 30 be restricted constraint and can not be relative to the
One locking hole location 110 or the second locking hole location 111 shake, and effectively promote the positional stability of connection pin shaft 30, Jin Erti
The positional stability of each chain link 10 is risen, a possibility that chain link 10 shakes is reduced.
Together referring to fig. 4 and shown in Fig. 6, the cross section of the connection pin shaft 30 of the present embodiment is triangular in shape, and triangle
Apex angle and two base angles be arc transition.The peripheral surface for connecting pin shaft 30 can be corresponding with the first locking hole location 110
First arcwall face 11a and third arcwall face 11c are fitted closely, alternatively, first arcwall face corresponding with the second locking hole location 111
11a and the second arcwall face 11b are fitted closely.Preferably, the cross section for connecting pin shaft 30 is isosceles triangle.It is readily appreciated that ground,
The cross-sectional shape of connection pin shaft 30 is not limited to the triangle in Fig. 4 or shown in Fig. 6, and being also possible to hexagon etc. can be realized
The shape of identical function, similarly, need to guarantee the cross-sectional shape of the first locking hole location 110 or the second locking hole location 111 with
The cross-sectional shape of connection pin shaft 30 matches.
Shown in Figure 6, the chain link 10 of the present embodiment has the recess portion 12 of setting corresponding with lug boss 11d.It is connecting
Pin shaft 30 is more out-of-date, and connection pin shaft 30 can more easily make lug boss 11d deform, so that it is more suitable to connect pin shaft 30
Sharply and more laborsavingly cross lug boss 11d.
In one embodiment, the arc-shaped structure of chain link 10.Due to the inner surface 10a and outer surface 10b of chain link 10
It is arc-shaped face, therefore when all chain links 10 are in bending state, the inner surface 10a and outside table of each chain link 10
Face 10b can be spliced to form the arc surface of standard, on the one hand be able to ascend 20 aesthetic appearance of hinge, on the other hand can
So that 20 each region transition of hinge is smooth, when hinge 20 is applied to the mobile terminal using flexible screen, hinge 20 is not easy to make
There are stress raisers in flexible screen and lead to flexible screen structural failure, while also reducing and local stress is generated to user's limbs
A possibility that concentrating and user's limbs is caused to generate feeling of pain is conducive to promotion user and uses friendliness.
Shown in Figure 3, the hinge 20 of the present embodiment further includes the first fixed bracket 40 and the second fixed bracket 50.Hinge
Two chain links 10 at 20 both ends are connected with the first fixed bracket 40 and the second fixed bracket 50 respectively.Hinge 20 can pass through
One fixed bracket 40 and the second fixed bracket 50 are detachably connected with other structures part.In this way, the hinge 20 of the present embodiment is no longer
It needs directly to be connected and fixed with other structures part by chain link 10, so that effective protection chain link 10, reduces chain link 10 and wear.This reality
Apply the mounting hole for being provided on the first fixed bracket 40 and the second fixed bracket 50 of example with connecting 30 shape of pin shaft and matching.Even
After outbound axis 30 and mounting hole plug connection, connection pin shaft 30 can not rotate in mounting hole.The connection pin shaft 30 of the present embodiment
It can be interference fit with mounting hole.First is made to consolidate applying external force to the first fixed bracket 40 and the second fixed bracket 50
When fixed rack 40 and the second fixed bracket 50 close to each other or separate, the first fixed bracket 40 and the second fixed bracket 50 can be total to
It is rotated with driving each chain link 10 to surround connection pin shaft 30, while connecting pin shaft 30 in the second locking hole location 111 and the first locking
Mobile handoff between hole location 110.
Figure 10 schematically shows the structure of the hinge 20 of another embodiment of the present invention.Figure 11 schematically shows this
Invent the structure of the hinge 20 of another embodiment.In one embodiment, shown in Figure 9, in two adjacent chain links 10, one
A chain link 10 includes a sheet body 13, another adjacent chain link 10 includes two axially spaced-apart settings along connection pin shaft 30
Sheet body 13.One connection pin shaft 30 connects three chain links 10 simultaneously.In another embodiment, shown in Figure 10, it is adjacent
In two chain links 10, each chain link 10 includes the sheet body 13 of two axially stacked settings along connection pin shaft 30.One connecting pin
Axis 30 connects four chain links 10 simultaneously.With being readily appreciated that, in two adjacent chain links 10, sheet body 13 included by a chain link 10
Quantity can be equal or different with 13 quantity of sheet body included by another chain link 10, so as to according to actual product demand spirit
The quantity of selection sheet body 13 living.
Figure 12 schematically shows the structure of the mobile terminal of one embodiment of the invention.It is shown in Figure 12, the present invention
Embodiment also provides a kind of mobile terminal.The mobile terminal of the present embodiment includes flexible screen 60, the support of the first supporter 70, second
The hinge 20 of body 80 and such as above-described embodiment.First supporter 70 and the second supporter 80 of the present embodiment with flexible screen 60
Non-display face be connected, for providing support force for flexible screen 60.Two chain links 10 at 20 both ends of hinge are respectively with first
Supporter 70 is connected with the second supporter 80.In one example, two chain links 10 at 20 both ends of hinge respectively with first
Support body 70 and the second supporter 80 are directly connected to.In another example, two chain links 10 at 20 both ends of hinge are respectively by the
One fixed bracket 40 and the second fixed bracket 50 are indirectly connected with the first supporter 70 and the second supporter 80.First supporter 70
Can be close to each other or separate with the second supporter 80, with opening or folded flexible screen 60 and chain link 10 is made to be held in bending
State or open position.
The mobile terminal of the embodiment of the present invention, included by hinge 20 can guarantee when hinge 20 is in unfolded state
Total length L 1 is less than the total length L 2 when hinge 20 is in bending state, so that hinge 20 will not be due to from height in unfolded state
It spends redundancy and leads to occur in unfolded state the case where fold or bending, reduce hinge 20 and local stress is applied to flexible screen 60
And a possibility that causing 60 structure of flexible screen to be damaged.20 structure of hinge of the present embodiment is simple simultaneously, fabricates difficulty
It is low, so that itself production cost is low, so that mobile terminal entirety production cost is low.
Although by reference to preferred embodiment, invention has been described, the case where not departing from the scope of the present invention
Under, various improvement can be carried out to it and can replace component therein with equivalent, especially, as long as there is no structures to rush
Prominent, items technical characteristic mentioned in the various embodiments can be combined in any way.The invention is not limited to texts
Disclosed in specific embodiment, but include all technical solutions falling within the scope of the claims.
Claims (13)
1. a kind of chain link characterized by comprising
At least one connecting hole, the connecting hole include interconnected the first locking hole location and the second locking hole location, described
The connectivity part of first locking hole location and the second locking hole location narrows transition.
2. chain link according to claim 1, which is characterized in that two ends of the chain link along its length are set respectively
Have the connecting hole, the first distance between two the first locking hole locations, the second locking hole described less than two it
Between second distance.
3. chain link according to claim 1, which is characterized in that the first locking hole location and the second locking hole location that
This structure is identical.
4. chain link according to claim 1, which is characterized in that the arc-shaped structure of chain link.
5. chain link according to claim 1, which is characterized in that the chain link includes a sheet body；Alternatively, the chain link packet
More than two sheet bodies are included, more than two sheet bodies are arranged along the axial arranging of the connecting hole.
6. chain link according to any one of claims 1 to 5, which is characterized in that the hole wall of the connecting hole includes the first arc
Shape face, the second arcwall face and third arcwall face, the both ends of first arcwall face respectively with second arcwall face and described
Three arcwall faces are connected smoothly, and second arcwall face and third arcwall face both ends adjacent to each other are connected smoothly
And the lug boss protruded towards first arcwall face is formed, the lug boss is can deformation structure, the lug boss and institute
Stating between the first arcwall face corresponding region is to narrow transitional region, first arcwall face, second arcwall face and described
The bending direction of third arcwall face is identical.
7. chain link according to claim 6, which is characterized in that the chain link further includes setting corresponding with the lug boss
Recess portion, the recess portion is recessed from the outer surface of the chain link towards the lug boss.
8. chain link according to claim 6, which is characterized in that the top surface of the lug boss towards first arcwall face is
Arc surface, first arcwall face towards the top surface of the lug boss be arc surface.
9. a kind of hinge, which is characterized in that including chain link as claimed in any one of claims 1 to 8 and connection pin shaft；
The quantity of the chain link is greater than two, and more than two chain links are arranged in succession；
The two neighboring chain link by the connection pin shaft be rotatablely connected, the connection pin shaft the first locking hole location with
Switch and be locked in the first locking hole location or the second locking hole location between the second locking hole location；
Wherein, when the hinge is in unfolded state, the connection pin shaft is locked in the first locking hole location, at the hinge
When bending state, the connection pin shaft is locked in the second locking hole location；The hinge in the unfolded state
Total length is less than the total length of the hinge in the bending state.
10. hinge according to claim 9, which is characterized in that the cross section of the connection pin shaft is triangular in shape, and institute
The apex angle and two base angles for stating triangle are arc transition.
11. hinge according to claim 10, which is characterized in that the cross section of the connection pin shaft is isosceles triangle.
12. according to the described in any item hinges of claim 9 to 11, which is characterized in that the hinge further includes the first fixed branch
Frame and the second fixed bracket, two chain links at the hinge both ends fix branch with the described first fixed bracket and described second respectively
Frame is connected.
13. a kind of mobile terminal characterized by comprising
Flexible screen, the first supporter, the second supporter and such as described in any item hinges of claim 9 to 12；
First supporter and second supporter are connected with the flexible screen, described in two of the hinge both ends
Chain link is connected with first supporter and second supporter respectively, and the hinge is in the unfolded state and described curved
When folding state switches, first supporter and second supporter are close to each other or separate, described soft to be unfolded or bend
Property screen.
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010337466.6A CN111536139B (en) | 2019-03-04 | 2019-03-04 | Chain link |
| CN201910161013.XA CN109973514B (en) | 2019-03-04 | 2019-03-04 | Chain link, hinge and mobile terminal |
| EP20766857.5A EP3936734A4 (en) | 2019-03-04 | 2020-03-04 | Chain unit, hinge, and mobile terminal |
| PCT/CN2020/077736 WO2020177708A1 (en) | 2019-03-04 | 2020-03-04 | Chain unit, hinge, and mobile terminal |
| US17/466,847 US11973890B2 (en) | 2019-03-04 | 2021-09-03 | Hinge element, hinge, and mobile terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910161013.XA CN109973514B (en) | 2019-03-04 | 2019-03-04 | Chain link, hinge and mobile terminal |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010337466.6A Division CN111536139B (en) | 2019-03-04 | 2019-03-04 | Chain link |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109973514A true CN109973514A (en) | 2019-07-05 |
| CN109973514B CN109973514B (en) | 2021-01-12 |
Family
ID=67077783
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010337466.6A Active CN111536139B (en) | 2019-03-04 | 2019-03-04 | Chain link |
| CN201910161013.XA Active CN109973514B (en) | 2019-03-04 | 2019-03-04 | Chain link, hinge and mobile terminal |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010337466.6A Active CN111536139B (en) | 2019-03-04 | 2019-03-04 | Chain link |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US11973890B2 (en) |
| EP (1) | EP3936734A4 (en) |
| CN (2) | CN111536139B (en) |
| WO (1) | WO2020177708A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111047995A (en) * | 2019-12-30 | 2020-04-21 | 厦门天马微电子有限公司 | Flexible display device |
| CN111425777A (en) * | 2020-03-17 | 2020-07-17 | 陕西科技大学 | Bendable and suspendable flashlight |
| WO2020177708A1 (en) * | 2019-03-04 | 2020-09-10 | 维沃移动通信有限公司 | Chain unit, hinge, and mobile terminal |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20210216109A1 (en) * | 2019-04-24 | 2021-07-15 | Google Llc | Support device and foldable device having same |
| TWI723702B (en) * | 2019-12-26 | 2021-04-01 | 富世達股份有限公司 | Shaft chain group structure |
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Also Published As
| Publication number | Publication date |
|---|---|
| WO2020177708A1 (en) | 2020-09-10 |
| CN111536139A (en) | 2020-08-14 |
| CN111536139B (en) | 2021-10-12 |
| US11973890B2 (en) | 2024-04-30 |
| EP3936734A4 (en) | 2022-05-11 |
| EP3936734A1 (en) | 2022-01-12 |
| CN109973514B (en) | 2021-01-12 |
| US20210400126A1 (en) | 2021-12-23 |
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